CST Instrument Tray Assembly 2

Question 1

When assembling a basic laparotomy tray, which instrument is used to retract the edges of a wound and maintain exposure of the operative field?

Accepted Answer

Richardson retractor

Answer

Richardson retractors are hand-held instruments placed by assistants to hold back wound edges and maintain exposure during abdominal procedures.

Question 2

Which counting sponge is most commonly placed on the instrument tray for tracking during a surgical procedure?

Accepted Answer

Raytec (4x4) sponge

Answer

Raytec sponges (4x4 radiopaque sponges) are the standard counted sponge placed on the instrument tray for use during surgery.

Question 3

A CST is assembling a tray and notices a crack in a needle holder. The correct action is to:

Accepted Answer

Remove it from the tray and replace it with an intact instrument

Answer

Damaged instruments must be removed from service immediately to prevent instrument failure during a procedure and potential patient injury.

Question 4

Which of the following best describes the purpose of a towel clip on an instrument tray?

Accepted Answer

To secure sterile drapes to the patient

Answer

Towel clips (backhaus clamps) are used to secure sterile drapes in place around the operative field.

Question 5

During tray assembly, instruments should be arranged in which order to improve efficiency?

Accepted Answer

Order of use during the surgical procedure

Answer

Organizing instruments in the order they will be used during the procedure allows the scrub technician to pass them quickly and efficiently.

(CST) Certified Surgery Technician Practice Test